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US 12,611,651 B2Granted
Amine grafted silica gels
AssigneeThe Regents of the University of Michigan
InventorsJohn-Timothy Anyanwu, Yiren Wang, Ralph T. Yang
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Abstract
A method of grafting a silica support includes adding the silica support to a solvent, resulting in a first solution, adding an amount of silane to the first solution, resulting in a second solution, filtering grafted silica support from the second solution, and drying the grafted silica support.
Claims12
A method of grafting a silica support, the method comprising:
- adding the silica support to a solvent, resulting in a first solution, the silica support having a plurality of pores;
- adding an amount of water and an amount of silane to the first solution, resulting in a second solution;
- after a grafting reaction time in which the silane is grafted to the silica support from 30 minutes to 3 hours at room temperature, filtering grafted silica support from the second solution;
- and
- drying the grafted silica support.
2 more elements
Dependencies are inferred from the claim text.